Tennant T391 Manuel D'instructions page 23

Periodic checks
CHECKS
EMPTY AND WASH THE DIRTY WATER TANK
CLEAN THE SQUEEGEE BLADES AND CHECK THEM FOR WEAR
CHECK THAT THE SUCTION HOLE IN THE SQUEEGEE IS NOT BLOCKED
RECHARGE THE BATTERIES
CLEAN THE DIRTY WATER TANK FLOAT
CLEAN THE SUCTION MOTOR AIR FILTER
CLEAN THE WATER/DETERGENT TANK FILTER
CLEAN THE SUCTION MOTOR HOSE
CLEAN THE DIRTY WATER TANK AND THE SOLUTION TANK
CHECK THE BATTERY ELECTROLYTE LEVEL
HAVE THE ELECTRICAL CIRCUIT CHECKED BY QUALIFIED TENNANT PERSONNEL
CHECK BY QUALIFIED TENNANT PERSONNEL
ALL OF THE ELECTRIC MOTORS AND REPLACE IF WORN
PERIODS OF INACTIVITY
If the machine is not used for some time, for example, on display in a
showroom or stored in the warehouse for a period or more than one
month, the following operations are required:
Recharge completely the batteries. During long periods of in-
activity, you should charge the batteries regularly (at least once
every two months) to keep them constantly at maximum charge.
Disconnect the batteries from the machine.
Unplug the battery charger (if present) from the mains power
supply.
Remove the squeegee and brushes (or abrasive disks), wash
them and put them away in a dry place (preferably in a bag or
Make sure the tanks are completely empty and perfectly clean.
If the batteries are not recharged regularly as described above, they
may be irrevocably damaged.
The manufacturer is not liable for any malfunctions resulting from
neglect, improper and/or incorrect use.
tended time without charging to avoid shortening battery life.
Check battery charge at least once a week.
THE BRUSHES (OR CARBON BRUSHES) ON
! WARNING
! WARNING
DAILY WEEKLY
OPERATIONS OPERATIONS
X
X
X
X
-
EN
SIX MONTHLY
OPERATIONS
X
X
X
X
X
X
X
OPERATIONS
EVERY 400
HOURS
X
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